diff options
Diffstat (limited to 'drivers/thermal/tegra/tegra-bpmp-thermal.c')
| -rw-r--r-- | drivers/thermal/tegra/tegra-bpmp-thermal.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/thermal/tegra/tegra-bpmp-thermal.c b/drivers/thermal/tegra/tegra-bpmp-thermal.c index b1d5aaf81224..a2879d624945 100644 --- a/drivers/thermal/tegra/tegra-bpmp-thermal.c +++ b/drivers/thermal/tegra/tegra-bpmp-thermal.c @@ -52,6 +52,8 @@ static int __tegra_bpmp_thermal_get_temp(struct tegra_bpmp_thermal_zone *zone, err = tegra_bpmp_transfer(zone->tegra->bpmp, &msg); if (err) return err; + if (msg.rx.ret == -BPMP_EFAULT) + return -EAGAIN; if (msg.rx.ret) return -EINVAL; @@ -209,7 +211,12 @@ static int tegra_bpmp_thermal_probe(struct platform_device *pdev) zone->tegra = tegra; err = __tegra_bpmp_thermal_get_temp(zone, &temp); - if (err < 0) { + + /* + * Sensors in powergated domains may temporarily fail to be read + * (-EAGAIN), but will become accessible when the domain is powered on. + */ + if (err < 0 && err != -EAGAIN) { devm_kfree(&pdev->dev, zone); continue; } |